This is the 650mAh eGo-T battery. The length is 2 3/4 inches.It features a safety function that allows you to turn off the battery. To place the battery in or out of locked mode, press the button 5 times within 2 seconds. The LED will flash indicating you have changed modes.

This battery has a 60 day warranty. This 60 day warranty is for death, not degradation and is valid ONLY when the batteries are used with Joye atomizers. Use of this battery non-Joye atomizers will void the warranty.